HP 1606 HP StorageWorks Fabric OS 6.3.1c Release Notes (5697-0509 September 2 - Page 21

Important notes, New OUI Support on B-Series platforms, Overview

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Important notes This section contains information that you should consider before you use this Fabric OS release. New OUI Support on B-Series platforms Overview The OUI (Organizationally Unique Identifier) value is part of a Fibre Channel WWN that uniquely identifies the manufacturer of Fibre Channel products. The OUI values assigned to Brocade are used by Fabric OS to validate certain fabric interoperability support. The currently assigned OUI/WWN values are nearing exhaustion, necessitating Brocade to use a new OUI value for WWN assignment. The new OUI value for Brocade is 00:05:33. A WWN of 10:00:00:05:33:41:5c:c1, for example, demonstrates the usage of the new OUI. WWNs with the current OUI value are expected to be consumed by mid-2010. Brocade factory shipments of switches after this time will have WWNs that include the new OUI. Fabric OS 6.3.1a and later has been enhanced to recognize the new Brocade OUI value to guarantee proper functionality. It is important to note that no switch with the new OUI/WWN should be downgraded to a version of Fabric OS that does not recognize this new OUI. It is also important to note that specific minimum requirements for recognition of the new OUI will neither be validated nor enforced by Fabric OS. Impact of products with the new OUI to existing fabrics/environments In most situations, a switch that uses the new OUI can be seamlessly added to an existing fabric, even if the other switches in that fabric are not using Fabric OS versions that are aware of the new OUI value. However, there are some exceptions and limitations to consider before adding a switch utilizing the new OUI to an existing fabric or environment. • Fabrics with encryption products: If an HP StorageWorks encryption switch or blade using the new OUI is added to an edge fabric of a Fibre Channel routed fabric, Frame Redirection capability could be impacted across the FCR backbone, thus impacting the encryption functionality. Therefore, the FC routers in the FCR backbone fabric will need to be upgraded to a firmware version that supports the new OUI. • Interopmode 2 and 3 fabrics: In an interopmode 2 or 3 fabric with VE ports, the switches on both ends of the VE link must run a firmware version that supports the new OUI, or the VE ports may not function correctly, resulting in unpredictable behavior. DCFM compatibility Fabric OS 6.3.1c is fully compatible with DCFM 10.3.x management software. DCFM is a comprehensive SAN management application that enables end-to-end management of HP B-series data center fabrics. It is the next-generation product and the successor to existing B-series management products, including HP StorageWorks Fabric Manager (FM) and Enterprise Fabric Connectivity Manager (EFCM). DCFM is available in three versions (see the DCFM release notes for full support details): • DCFM Professional-An application bundled with B-series switches that is ideally suited for small- and medium-size businesses that need a lightweight management product to manage their smaller fabrics (one physical fabric at a time, up to 1,000 ports). HP StorageWorks Fabric OS 6.3.1c Release Notes 21

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Important notes
This section contains information that you should consider before you use this Fabric OS release.
New OUI Support on B-Series platforms
Overview
The OUI (Organizationally Unique Identifier) value is part of a Fibre Channel WWN that uniquely
identifies the manufacturer of Fibre Channel products. The OUI values assigned to Brocade are used
by Fabric OS to validate certain fabric interoperability support.
The currently assigned OUI/WWN values are nearing exhaustion, necessitating Brocade to use a
new OUI value for WWN assignment. The new OUI value for Brocade is
00:05:33
. A WWN of
10:00:
00:05:33
:41:5c:c1
, for example, demonstrates the usage of the new OUI. WWNs with
the current OUI value are expected to be consumed by mid-2010. Brocade factory shipments of
switches after this time will have WWNs that include the new OUI.
Fabric OS 6.3.1a and later has been enhanced to recognize the new Brocade OUI value to guarantee
proper functionality. It is important to note that no switch with the new OUI/WWN should be
downgraded to a version of Fabric OS that does not recognize this new OUI. It is also important to
note that specific minimum requirements for recognition of the new OUI will neither be validated nor
enforced by Fabric OS.
Impact of products with the new OUI to existing fabrics/environments
In most situations, a switch that uses the new OUI can be seamlessly added to an existing fabric, even
if the other switches in that fabric are not using Fabric OS versions that are aware of the new OUI
value. However, there are some exceptions and limitations to consider before adding a switch utilizing
the new OUI to an existing fabric or environment.
•
Fabrics with encryption products:
If an HP StorageWorks encryption switch or blade using the
new OUI is added to an edge fabric of a Fibre Channel routed fabric, Frame Redirection capab-
ility could be impacted across the FCR backbone, thus impacting the encryption functionality.
Therefore, the FC routers in the FCR backbone fabric will need to be upgraded to a firmware
version that supports the new OUI.
•
Interopmode 2 and 3 fabrics:
In an interopmode 2 or 3 fabric with VE ports, the switches on both
ends of the VE link must run a firmware version that supports the new OUI, or the VE ports may
not function correctly, resulting in unpredictable behavior.
DCFM compatibility
Fabric OS 6.3.1c is fully compatible with DCFM 10.3.
x
management software. DCFM is a
comprehensive SAN management application that enables end-to-end management of HP B-series
data center fabrics. It is the next-generation product and the successor to existing B-series management
products, including HP StorageWorks Fabric Manager (FM) and Enterprise Fabric Connectivity
Manager (EFCM).
DCFM is available in three versions (see the DCFM release notes for full support details):
•
DCFM Professional
—
An application bundled with B-series switches that is ideally suited for small-
and medium-size businesses that need a lightweight management product to manage their smaller
fabrics (one physical fabric at a time, up to 1,000 ports).
HP StorageWorks Fabric OS 6.3.1c Release Notes
21